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VOCABULARY (3G (The third generation of mobile phone telecommunications…
VOCABULARY
3G
The third generation of mobile phone telecommunications network that enables mobile devices to connect to the internet.
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4G
The fourth generation of mobile phone telecommunications network that enables mobile devices to connect to the internet.
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bandwidth
Bandwidth measures the amount of data that can transfer through a communications channel over a given period of time
binary
A number system that contains two digits, 0 and 1. Also known as base 2.
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browser
An application used to view web pages, eg Internet Explorer or Google Chrome.
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client-server
A form of computer networking where the data or web application is hosted on a server and accessed by client computers.
compression
A method of reducing file sizes, particularly in digital media such as photos, audio and video.
cloud
A term often used to describe a location on the internet from which software applications are run and where data is stored.
data
Units of information. In computing there can be different data types including integers, characters, and Boolean. Data is often acted on by instructions.
data packet
A piece of data sent over a network. Messages have to be broken down into binary data packets before they are transferred.
DNS
Domain name system (or servers) - an internet service that translates IP addresses into website domain names. All websites have equivalent IP addresses
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encrypt
Files that are encrypted have been altered using a secret code and are unreadable to unauthorised parties.
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http
Hypertext transfer protocol - a request/response standard. Web browsers send requests and websites or servers respond to requests.
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IP
Internet Protocol - A set of rules for communicating over the internet. IP can also stand for intellectual property.
ISP
Internet Service Provider - needed in order to access the internet. They also provide services such as web space and email.
LAN
Local Area Network (LAN): a network of computers that covers a small area, eg a school or college.
MB
Megabyte (MB) - a measurement of file size or storage capacity. 1,048,576 bytes.
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P2P
Peer-to-peer - a type of network model where all computers on the network share responsibility and there is no one central server.
plug-in
Software that is added to an internet browser, eg Adobe Flash is a plug-in that is often required to play video
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RFID
Radio frequency identification. A simple wireless system that transfers data to/from an electronic tracking tag
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server
A computer that holds data to be shared with other computers. A web server stores and shares websites. Servers require server software.
smartphone
A mobile phone with a powerful processor that is capable of running applications and accessing the internet.
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software
The programs, applications and data in a computer system. Any parts of a computer system that aren't physical.
streaming
A method of delivering and receiving media such as audio and video in a continuous form over a network.
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system
Refers to the inputs, stores, flows and outputs of water into a glacier.
TCP
Transmission control protocol - one of the main protocols in the set of protocols used on the internet. TCP allows two computers to establish a connection.
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upload
To add data to a server on the internet, eg you can upload videos to social media websites.
URL
Uniform Resource Locator - Each web page address on a network is written as a URL. It contains the IP address and the DNS and web page details.
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WAN
Wide area network - a network that spans across a building, buildings or even countries, eg the internet.
web application
Software that runs in a web browser. Most websites are web applications which use scripting to make the site interactive.
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